Tunisia Braces for Above-Average Temperatures in May-June-July 2026, Says National Meteorological Institute

The National Meteorological Institute (INM) has announced that above-average temperatures are expected across the country for the May-June-July 2026 period.

Seasonal Temperature Normals

According to the INM's seasonal forecast bulletin, released on Friday, temperature normals for the region range from 22°C to 27°C in the north and center, and from 25°C to 30°C in the south. The warmest temperature normals are observed in the south at the Tozeur station.

Precipitation Outlook

The INM notes that seasonal precipitation models do not indicate any dominant signal for rainfall. In Tunisia, the May-June-July period marks a transition between spring and full summer, characterized by a gradual decrease in precipitation and increasingly hot and dry conditions.

Regional Precipitation Normals

Precipitation normals vary significantly across regions. In the north, they range from 31 mm in Nabeul to 77 mm in the Kef. In the center, totals range from 26 mm in Mahdia to 74 mm in Thala. In the south, precipitation remains relatively low, with values ranging from 7 mm in Remada to 44 mm in Sidi Bouzid.

Monthly Breakdown

May 2026: Gradually Warm and Dry

The climate becomes gradually warm and dry, signaling the onset of the summer season. Temperature normals typically range from 19°C to 22°C in the north and center, and from 21°C to 26°C in the south. Western highland regions remain cooler, with temperatures around 17°C.

Precipitation totals become low, ranging from 20 to 45 mm in the north and center, and from 5 to 22 mm in the south.

June 2026: Summer Climate

The climate becomes distinctly summer-like, marked by high temperatures and progressive drying. Temperature normals typically range from 23°C to 25°C in the north and center, with Kairouan experiencing a slightly higher normal of around 27°C. In the south, temperatures range from 25°C to 31°C. Western highland regions remain slightly cooler, with temperatures around 22°C in Thala.

Precipitation totals are very low, often below 25 mm in the north and center, and below 12 mm in the south.

July 2026: High Temperatures and Marked Drought

The climate is typically summer-like, characterized by high temperatures and marked drought. Temperature normals typically range from 26°C to 30°C in the north and center, and from 28°C to 33°C in the south. Precipitation is very low, rarely exceeding 15 mm in the north and center, and almost nonexistent in the south.